CN201673090U - Full-automatic pellet compressive strength tester - Google Patents
Full-automatic pellet compressive strength tester Download PDFInfo
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- CN201673090U CN201673090U CN2010202023077U CN201020202307U CN201673090U CN 201673090 U CN201673090 U CN 201673090U CN 2010202023077 U CN2010202023077 U CN 2010202023077U CN 201020202307 U CN201020202307 U CN 201020202307U CN 201673090 U CN201673090 U CN 201673090U
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- hopper
- full
- electromagnetic valve
- movable part
- automatic pellet
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Abstract
The utility model discloses a full-automatic pellet compressive strength tester, which comprises a frame, a squeezing device and a shock feeding device, wherein the squeezing device and the shock feeding device are arranged on the frame. The squeezing device includes a movable part and a fixed part, the movable part driven by a motor horizontally moves, the fixed part is arranged oppositely to the movable part, and a pressure sensor is arranged on the fixed part; a material hopper is provided with a material groove extending to the upper side of a material supporting part, and a feeding electromagnetic gate valve and a discharging electromagnetic gate valve are arranged in the front and on the back of the material groove; a waste cylinder is arranged below the material supporting part; photoelectric switches are mounted on two sides of the material groove between the feeding electromagnetic gate valve and the discharging electromagnetic gate valve and at the position of the material supporting part; and the feeding electromagnetic gate valve, the discharging electromagnetic gate valve, a vibration electromagnet, the pressure sensor, the photoelectric switches, a proximity switch and the motor are connected with a PLC controller of a control system. The full-automatic pellet compressive strength tester has the advantages of high test precision, fine reliability, stable work, high automation level, convenient utilization and the like.
Description
Technical field
The utility model belongs to the special test equipment of ore dressing field, is specifically related to a kind of full-automatic pellet intensity test instrument.
Background technology
Compressive strength is the important indicator of iron ore pellet quality, owing to be subjected to the influence of historical and technological accumulation and inheritance, most of pelletizing plants of China and iron company are using the non-special test device of old-fashioned pointer type to measure pellet compressive strength always, even alternative with intensity test devices such as cement, metal materials, lack the specialized equipment that measures pellet compressive strength.The compressive strength measuring equipment that falls behind, need the test employee on one side with hand to pressing down the mechanical part that contacts with ball, the pressure of observing on one side on the tensimeter changes, the record experimental data, many disadvantages such as this device has that human factor is big, test data is inaccurate, poor reliability, testing efficiency are low have influenced the development of pellet and iron and steel enterprise.
The utility model content
The purpose of this utility model provides a kind of measuring accuracy height, good reliability, working stability, automaticity height, full-automatic pellet intensity test instrument easy to use.
The technical scheme that realizes the utility model purpose is as follows: full-automatic pellet intensity test instrument comprises frame, is arranged on pressurizing unit and vibrations feed arrangement on the frame; Described pressurizing unit comprises by the movable part of motor-driven along continuous straight runs motion and the fixed part that is oppositely arranged with movable part, pressure transducer is located on the fixed part, is provided with the retainer parts by the magnet control folding between movable part and fixed part; Described vibrations feed arrangement comprises hopper and the percussion mechanism that is connected with hopper; Hopper is provided with the top of hopper to the retainer parts, and front and back are provided with charging electromagnetic valve and discharging electromagnetic valve on the hopper; Below the retainer parts, be provided with the waste material cylinder; Hopper both sides between charging electromagnetic valve and discharging electromagnetic valve and retainer parts place all are equipped with optoelectronic switch, be provided with on the movable part of pressurizing unit cooperate with stroke limit parts on the frame near switch; Described charging electromagnetic valve, discharging electromagnetic valve, vibration electromagnet, pressure transducer, optoelectronic switch, be connected with the PLC controller of control system near switch and motor.
Be provided with hopper between described retainer parts and the waste material cylinder.
The movable part of described pressurizing unit is an extruding screw.
Described retainer parts are the skewback of two involutory back forming V-shapes.
The percussion mechanism of described vibrations feed arrangement is the vibration electromagnet that is connected with hopper by spring.
Described control system also comprises data output print system, telecommunication system.
Adopt the full-automatic pellet intensity test instrument of said structure, adopt the PLC Programmable Logic Controller to combine with mechanical drive and sensor, with PLC is core circuit, the control mechanical transmission mechanism, pressure signal is gathered in analog input channel with PLC, realizes pelletizing from scoring, vibrating, to going out ball, arrive the collection and the data processing of extruding, force value again, at last to the removing of ball slag, the full automation that data are printed whole process.Its advantage applies exists:
1, experimental data is accurate, and is easy and simple to handle, can not need manually on duty fully.Operating personnel need only filter out pelletizing, and the pelletizing of putting into sufficient amount gets final product in the material cylinder, and the action of collection of experiment data and processing, motor etc. is finished automatically by test machine, can break away from artificial monitoring fully.Therefore alleviated labor intensity of operating personnel greatly; And experimental data obtains by high-precision pressure transducer and analog quantity input, and the naked eyes that replaced operating personnel read, and its degree of accuracy improves greatly.
2, simple and compact for structure, volume is small and exquisite, exquisite appearance.Traditional pure physical construction of pressure test instrument is bulky, and the utility model has replaced the function of most of mechanical part with advanced control circuit, has reduced volume greatly, and it is simple and compact for structure.
3, have remote communicating function, really realize the on-line Full monitoring of pellet, improve iron ore pellet ore deposit compressive strength qualification rate, this is that traditional instrument can't be realized.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is a control system block scheme of the present utility model.
Fig. 4 is a hardware control system connection layout of the present utility model.
Embodiment
See Fig. 1 and Fig. 2, the utility model comprises frame 1, is arranged on pressurizing unit and vibrations feed arrangement on the frame 1; Described pressurizing unit comprises the movable part of the along continuous straight runs motion that is driven by reducing motor 3 and the fixed part that is oppositely arranged with movable part, movable part is an extruding screw 13, pressure transducer 11 is located on the fixed part, be provided with the retainer parts by electromagnet 18 control foldings between movable part and fixed part, the retainer parts are the skewback 19 of two involutory back forming V-shapes; Described vibrations feed arrangement comprises hopper 6 and the percussion mechanism that is connected with hopper 6, the vibration electromagnet 4 of percussion mechanism for being connected with hopper 6 by spring 5; Hopper 6 is provided with the top of hopper 7 to retainer parts skewback 19, and front and back are provided with charging electromagnetic valve 8 and discharging electromagnetic valve 10 on the hopper 6; Below retainer parts skewback 19, be provided with waste material cylinder 16, between retainer parts and waste material cylinder, be provided with hopper 12; Hopper 6 both sides between charging electromagnetic valve 8 and discharging electromagnetic valve 10 are equipped with optoelectronic switch 9,19 places are equipped with optoelectronic switch 20 at retainer parts two skewbacks, be provided with on the movable part of pressurizing unit cooperate with stroke limit parts 2,14 on the frame 1 near switch 15, described charging electromagnetic valve 8, discharging electromagnetic valve 10, vibration electromagnet 4, pressure transducer 11, optoelectronic switch 9,20, be connected with the PLC controller of control system, also be provided with the touch-screen 21, the printer 22 that are connected with the PLC controller on the frame near switch 15 and reducing motor 3.
Described control system is seen Fig. 3, comprise the PLC controller, the switching value input, switching value output, touch-screen, printer, the telecommunication system PC that are connected with the PLC controller, by prime amplifier be connected with the PLC controller pressure transducer, by reducing motor and the gearing and the pressurizing unit of Frequency Converter Control.Switching value comprises each optoelectronic switch 9,20, charging electromagnetic valve 8, discharging electromagnetic valve 10, vibration electromagnet 4.
The concrete connection of the control circuit of this device is as shown in Figure 4: control knob, optoelectronic switch and be input to the PLC controller by digital quantity input port I0.0～I1.3 near switch.The signal of pressure transducer is connected with the analog input channel 1 of PLC after amplifying through prime amplifier, and the DUT of prime amplifier is connected with M with the A+ of PLC respectively with the external power supply negative terminal.EM222 digital quantity output expansion module is connected with PLC by expansion I/O interface.The Q0.0 of EM222, Q0.1, Q0.2 are connected respectively to 3 (FWD), 4 (REV), 5 (COM) terminal of frequency converter, and the L1 of frequency converter, L2, L3 are connected respectively on the three-phase supply.The T1 of frequency converter (U), T2 (V), T3 (W) are connected respectively on the electrothermal relay, are connected respectively to the input terminal of motor again by electrothermal relay.Motor drives gearing and pressurizing unit by screw rod.Other switching value outputs are by switching value delivery outlet Q0.0～Q1.1 output of PLC.Printer is connected on the Port1 serial line interface of PLC by DB9, and touch-screen is connected on the Port0 of PLC by DB9.In addition, PLC links to each other with PC by communication interface, has realized the on-line Full monitoring of host computer to pellet, improves iron ore pellet ore deposit compressive strength qualification rate.
Principle of work:
1) the tester attaching plug is inserted supply socket, start button, energized.
2) parameters such as every group of experiment number are set by touch-screen 21, if do not carry out above-mentioned setting, it is 5 times that each test number (TN) can be given tacit consent to by system.
3) will put into hopper 6 with the pelletizing 17 that two aperture sieves inequality sieved, begin test by auto-start button.
4) after the test beginning, vibration electromagnet 4 will not get electric work when having ball in the middle of charging electromagnetic valve 8 and the discharging electromagnetic valve 10, drive hopper 6 vibrations, the electromagnetic valve of charging simultaneously 8 is opened, and pelletizing 17 will automatically enter charging electromagnetic valve 8 by hopper 7 from hopper 6.When optoelectronic switch 8 detected charging electromagnetic valve 8 and 10 of discharging electromagnetic valves pelletizing 17 is arranged, vibration electromagnet 4 just stopped vibration and closes charging electromagnetic valve 8 at once.
5) whether optoelectronic switch 20 automatic two skewbacks 19 that detect close up, extruding screw 13 whether retreat into the back spacing in, and whether charging electromagnetic valve 8 and 10 of discharging electromagnetic valves have pelletizing 17, if above-mentioned three conditions all satisfy, the PLC controller then automatically start and deceleration motor 3 drive extruding screws 13 advance.Pelletizing 17 finally contacts and produces extruding with pressure transducer 11; In extrusion process, pressure transducer 11 is converted to the electric signal of standard with pressure signal, after amplifying by prime amplifier, delivers to the analog input channel of PLC, and data are sent cell stores after being handled by CPU.
6) CPU handles sampled data in real time, and judges according to result whether pelletizing 17 crushes; Maximum pressure value before the moment CPU preservation that crushes crushes as the compressive strength of pelletizing 17, and sends signal, control reducing motor 3 automatic stoppings; And open two skewbacks 19 and remove waste material, close two skewbacks 19 after the certain hour again.CPU sends signal once more then, and 3 startings of control reducing motor are auto-reverse, and extruding screw 13 is retreated to spacing place, back.
7) optoelectronic switch 9 has pelletizing 17 not in the middle of detecting charging electromagnetic valve 8 and discharging electromagnetic valve 10 once more, it is spacing not that the closed and extruding screw 13 of two skewbacks 19 retreats into the back, meet the requirements and then send signal once more, control reducing motor 3 is just changeing, and tests next time.
8) repeatedly continuously after, if experiment number has reached every group of set experiment number N, CPU will average and root mean square to N experimental result, calculate the qualification rate of this group pelletizing 17, and print the related experiment data, wait for that next is organized to test.
Claims (6)
1. a full-automatic pellet intensity test instrument is characterized in that comprising frame, is arranged on pressurizing unit and vibrations feed arrangement on the frame; Described pressurizing unit comprises by the movable part of motor-driven along continuous straight runs motion and the fixed part that is oppositely arranged with movable part, pressure transducer is located on the fixed part, is provided with the retainer parts by the magnet control folding between movable part and fixed part; Described vibrations feed arrangement comprises hopper and the percussion mechanism that is connected with hopper; Hopper is provided with the top of hopper to the retainer parts, and front and back are provided with charging electromagnetic valve and discharging electromagnetic valve on the hopper; Below the retainer parts, be provided with the waste material cylinder; Hopper both sides between charging electromagnetic valve and discharging electromagnetic valve and retainer parts place all are equipped with optoelectronic switch, be provided with on the movable part of pressurizing unit cooperate with stroke limit parts on the frame near switch; Described charging electromagnetic valve, discharging electromagnetic valve, vibration electromagnet, pressure transducer, optoelectronic switch, be connected with the PLC controller of control system near switch and motor.
2. full-automatic pellet intensity test instrument according to claim 1 is characterized in that being provided with hopper between described retainer parts and the waste material cylinder.
3. full-automatic pellet intensity test instrument according to claim 1 and 2 is characterized in that described retainer parts are the skewback of two involutory back forming V-shapes.
4. full-automatic pellet intensity test instrument according to claim 1, the movable part that it is characterized in that described pressurizing unit is an extruding screw.
5. full-automatic pellet intensity test instrument according to claim 1, the percussion mechanism that it is characterized in that described vibrations feed arrangement is the vibration electromagnet that is connected with hopper by spring.
6. full-automatic pellet intensity test instrument according to claim 1 is characterized in that described control system also comprises data output print system, telecommunication system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202023077U CN201673090U (en) | 2010-05-25 | 2010-05-25 | Full-automatic pellet compressive strength tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202023077U CN201673090U (en) | 2010-05-25 | 2010-05-25 | Full-automatic pellet compressive strength tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201673090U true CN201673090U (en) | 2010-12-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202023077U Expired - Fee Related CN201673090U (en) | 2010-05-25 | 2010-05-25 | Full-automatic pellet compressive strength tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201673090U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102262013A (en) * | 2011-07-14 | 2011-11-30 | 酒泉钢铁(集团)有限责任公司 | Automatic control process for measuring compression strength of iron-mineral-containing pellet |
| CN110243680A (en) * | 2019-06-20 | 2019-09-17 | 绍兴市东晶机械仪器设备有限公司 | A kind of automatic pelletizing pressure testing machine |
-
2010
- 2010-05-25 CN CN2010202023077U patent/CN201673090U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102262013A (en) * | 2011-07-14 | 2011-11-30 | 酒泉钢铁(集团)有限责任公司 | Automatic control process for measuring compression strength of iron-mineral-containing pellet |
| CN110243680A (en) * | 2019-06-20 | 2019-09-17 | 绍兴市东晶机械仪器设备有限公司 | A kind of automatic pelletizing pressure testing machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: CHANGSHA SONNE POWER ELECTRONIC TECHNOLOGY CO., LT Free format text: FORMER NAME: CHANGSHA HIGH-TECH. DEVELOPMENT AREA SONNE POWER ELECTRONIC TECHNOLOGY CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 4, 410205 floor, innovation building, Changsha science and technology achievement base, No. 2, Lu Lu, hi tech Development Zone, Hunan, Changsha Patentee after: Changsha SonnePower Electronic Technology Co., Ltd. Address before: 410217, Hunan, Changsha province Tongzi Yuelu District slope West Road, No. 328 printing base, Room 408 Patentee before: Changsha High-tech Development Zone Shuobo Electronics Technology Co., Ltd. |
|
| DD01 | Delivery of document by public notice |
Addressee: Changsha hi tech Development Zone Electronic Technology Co., Ltd. Guo Yanrui Document name: Notification to Pay the Fees |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101215 Termination date: 20150525 |
|
| EXPY | Termination of patent right or utility model |